Composite bent pipe core-pulling structure mold

The invention discloses a composite elbow core-pulling structure mold which comprises a front mold with a front mold core and a rear mold with a rear mold core, the rear mold further comprises a first positioning cover plate, a sliding insert and a core-pulling insert, the sliding insert is circumferentially arranged on the periphery of the front end of the core-pulling insert, a positioning groove is formed in the inner wall of the sliding insert, and the sliding insert is arranged in the positioning groove. The positioning groove is obliquely formed in the axial direction, a positioning protruding block is arranged on the periphery of the core pulling insert, the front end of the sliding insert extends into the mold cavity and forms a forming area, a positioning part is formed at the rear end of the sliding insert, the first positioning cover plate is arranged at the rear end of the sliding insert and abuts against the rear end of the positioning part, and a positioning hole is formed in the first positioni